polygranular carbon

https://doi.org/10.1351/goldbook.P04730
A @C00841@ composed of grains, which can be clearly distinguished by means of optical microscopy.
Note:
Industrial carbon materials (such as electrodes) are mostly polygranular, but special grades are agranular materials, such as @G02639@, @C00831@ or @P04963@. Such materials are covered by the term @A00188@.
Source:
PAC, 1995, 67, 473. (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 501 [Terms] [Paper]
Citation: 'polygranular carbon' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.P04730 RIS BibTex EndNote
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Last revised: February 24, 2014